A manometer, containing water; is used to measure the pressure of a gas supply in a school
Question:
A manometer, containing water; is used to measure the pressure of a gas supply in a school laboratory. Its reading is h cm of water.
Why is it better to use water in the manometer, rather than mercury?
A. With mercury, a narrower tube would be needed.
B. With mercury, a wider tube would be needed.
C. With mercury, it would be too large.
D. With mercury, h would be too small.
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B With mercury a wider tube would be needed Water has a higher densi...View the full answer
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